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The electric potential V at any point (x,y,z) all in meters in space is given by V = 4x² volt. The electric field at the point (1,0,2) in V/m is
Options
(a) 8 along positive X-axis
(b) 16 along negative X-axis
(c) 16 along positive X-axis
(d) 8 along negative X-axis
Correct Answer:
8 along negative X-axis
Explanation:
E⃗ = – [dv/ dx i + dv/ dy j + dv/ dz k]
= -8 x i V/m
E⃗(1,0,2) = -8i V/m
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For transistor action (1) Base, emitter and collector regions should have similar size
- The oscillation of a body on a smooth horizontal surface is represented by the equation
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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